11-letter words containing o, n, s, a
- carousingly — in a carousing manner
- carson city — a city in W Nevada, capital of the state. Pop: 55 311 (2003 est)
- cartoonists — Plural form of cartoonist.
- caseinogens — Plural form of caseinogen.
- casey jones — Anson [an-suh n] /ˈæn sən/ (Show IPA), 1798–1858, president of the Republic of Texas.
- cash income — income received in the form of cash during a specified period, esp that of rural and farming households
- casing shoe — A casing shoe is the bottom of the casing string, including the cement around it.
- cast anchor — to anchor a vessel
- castellanos — Julio [hoo-lyaw] /ˈhu lyɔ/ (Show IPA), 1905–47, Mexican painter.
- castigation — to criticize or reprimand severely.
- castiglione — Count Baldassare (baldasˈsaːre). 1478–1529, Italian diplomat and writer, noted particularly for his dialogue on ideal courtly life, Il Libro del Cortegiano (The Courtier) (1528)
- casting rod — a fishing rod, generally 4–8 feet (1.2–2.4 meters) long, for casting bait or lures with a reel mounted near the handle that enables the thumb or finger to control the line during a cast, including rods used for bait casting and spinning.
- castor bean — the seed of this plant
- castrations — Plural form of castration.
- cataphonics — catacoustics
- catonsville — a town in central Maryland, near Baltimore.
- cauligenous — originating or protruding from the stem of a plant
- causational — the action of causing or producing.
- cavernously — In a cavernous manner; like a cavern.
- cavernulous — possessing or being full of small cavities
- cenancestor — The last ancestor common of two or more lineages, especially the last universal common ancestor of all life.
- centrosomal — Of or pertaining to a centrosome or centrosomes.
- ceratopsian — resembling or belonging to the Ceratopsia, a suborder of herbivorous dinosaurs characterized by their parrot-like beaks, horns, and neck frills
- ceremonials — Plural form of ceremonial.
- chaenomeles — any of a genus of deciduous shrubs within the family Rosaceae, native to East Asia
- chain store — A chain store is one of several similar shops that are owned by the same person or company, especially one that sells a variety of things.
- chain-smoke — Someone who chain-smokes smokes cigarettes or cigars continuously.
- chairperson — The chairperson of a meeting, committee, or organization is the person in charge of it.
- chalkstones — Plural form of chalkstone.
- champignons — Plural form of champignon.
- championess — a female champion
- chancellors — Plural form of chancellor.
- changeovers — Plural form of changeover.
- chansonette — a little song
- chansonnier — a writer of chansons
- chaoticness — The state or quality of being chaotic.
- chaperonins — Plural form of chaperonin.
- chardonnays — Plural form of chardonnay.
- charlestown — oldest part of Boston, at the mouth of the Charles River: site of the battle of Bunker Hill
- chevrotains — Plural form of chevrotain.
- china stone — a type of kaolinized granitic rock containing unaltered plagioclase
- chindonesia — China, India, and Indonesia: seen collectively as the most important developing economies with the best growth markets for investors
- chloramines — Plural form of chloramine.
- chlorinates — Third-person singular simple present indicative form of chlorinate.
- choanocytes — Plural form of choanocyte.
- cholangitis — (medicine) An inflammation of the bile duct.
- chrismation — a rite of initiation involving anointing with chrism and taking place at the same time as baptism
- chronograms — Plural form of chronogram.
- chrysarobin — a tasteless odourless powder containing anthraquinone derivatives of araroba, formerly used medicinally to treat chronic skin conditions
- chrysomonad — any golden-yellow to brown freshwater algae of the class Chrysomonadales (phylum Chrysophyta), living singly or in colonies; blooms may color the water brown.